Human Transport System
The blood flows in the veins due to the
squeezing action of muscles
pumping of heart
pumping of veins
valves in the veins
squeezing action of muscles
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The artery that carries deoxygenated blood isA. renal artery
B. hepatic artery
C. mesenteric artery
D. pulmonary artery
In 1 mm3, the number of platelets is
A. 100000
B. 150000
C. 200000
D. 250000
The biggest artery in a human body is known as
A. aorta
B. principal artery
C. main red vessel
D. major artery
The yellow liquid in the blood is known as
A. plasma
B. hemoglobin
C. fibrin
D. fibrinogen
If a person’s wound does not cure or clot is not formed, he is suffering from
A. hemophilia
B. anemia
C. thrombosis
D. varicose veins
In blood the main task of red blood cells is to
A. defend body from disease
B. transport oxygen
C. heal the wounds
D. refresh the heart
The muscles of the atria and ventricles squeeze to
A. move the blood
B. make some space for blood
C. make space for air
D. build a vacuum
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